Fast and Massive Pixel-Level Morphology Detection by Imaging Processing for Inkjet Printing

With the rapid development of the emerging intelligent, flexible, transparent, and wearable electronic devices, such as quantum-dot-based micro light-emitting diodes (micro-LEDs), thin-film transistors (TFTs), and flexible sensors, numerous pixel-level printing technologies have emerged. Among them,...

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Bibliographic Details
Published in:Micromachines (Basel) 2024-04, Vol.15 (5), p.606
Main Authors: Zhang, Haoyang, Xu, Da, Ke, Shanrong, Huang, Meicong, Chai, Yaling, Lin, Yi, Guo, Ziquan, Chen, Zhong
Format: Article
Language:English
Subjects:
Algorithms
Cameras
Dielectric films
Droplets
Edge detection
Electronic devices
Flexible components
Glass substrates
Image processing
Inkjet printing
Inks
Light emitting diodes
Morphology
pixel level
Pixels
printed electronic devices
Printing
Printing-ink
Quantum dots
Semiconductor devices
Thin film transistors
Thin films
Wearable technology
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Summary:With the rapid development of the emerging intelligent, flexible, transparent, and wearable electronic devices, such as quantum-dot-based micro light-emitting diodes (micro-LEDs), thin-film transistors (TFTs), and flexible sensors, numerous pixel-level printing technologies have emerged. Among them, inkjet printing has proven to be a useful and effective tool for consistently printing micron-level ink droplets, for instance, smaller than 50 µm, onto wearable electronic devices. However, quickly and accurately determining the printing quality, which is significant for the electronic device performance, is challenging due to the large quantity and micron size of ink droplets. Therefore, leveraging existing image processing algorithms, we have developed an effective method and software for quickly detecting the morphology of printed inks served in inkjet printing. This method is based on the edge detection technology. We believe this method can greatly meet the increasing demands for quick evaluation of print quality in inkjet printing.
ISSN:2072-666X
2072-666X
DOI:10.3390/mi15050606